Safe Haven

When Safe Haven enters the battlefield put a Host token on the battlefield under your control with base power and toughness 0/1. (U), (G), or (W): AS long as you control a Host token, put a guest counter on target creature or if it has six guest counters on it destroy it instead. If you
destroyed it, put a Host token on the battlefield under your control with base power and toughness equal to the destroyed creature's power and toughness. (T): Add (U), (G), or (W) to your mana pool.